Home / 2,251.34-3,104.81-1,412.12

Finding the Fourth Proportional to 2,251.34, 3,104.81 and 1,412.12

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Solution

The fourth proportional to 2,251.34, 3,104.81 and 1,412.12 is: 1,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.34 : 3,104.81 = 1,412.12 : x
  2. Step 2: Convert to fraction form
    2,251.34/3,104.81 = 1,412.12/x
  3. Step 3: Cross multiply
    2,251.34x = 3,104.81 × 1,412.12
  4. Step 4: Simplify right side
    2,251.34x = 4,384,357.24
  5. Step 5: Solve for x
    x = 4,384,357.24/2,251.34
  6. Step 6: Final answer
    x = 1,947.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.